Outcomes ProphylacticNon- prophylacticP value HBV, hepatitis B virus.HBV reactivation rate Number of patients1619 Number of HBV reactivations07 (36.8%)0.009Mortality HBV reactivation050.064 Non-reactivation (including cancer mortality)310.28 All causes360.39There were no statistical differences in any of the parameters examined between the two groups, including gender, age, race, type of malignanc